Vitamin C

Vitamin C · Vitamin C

Indications

Prophylaxis and treatment of deficiencies of vit C. Scurvy. Adjunct in treatment of wounds and infections.

Dosage

Adults: Scurvy: Orally or by Injection: 100-250 mg 1-2 times daily for at least 2 wk. Urinary acidification: Orally, 4-12 gm daily in 3-4 divided doses. Prevention and treatment of colds: Orally, 1-3 gm daily. Dietary supplement: Orally, 50-200 mg daily. Children: Treatment of scurvy: Orally. 1 mth-4 yr, 125-250 mg daily in 1-2 divided doses; 4-12 yr, 250-500 mg daily in 1-2 divided doses; 12-18 yr, 500 mg-1 gm daily in 1-2 divided doses. Urinary acidification: Orally. Above 1 yr, 500 mg every 6-8 hr. Dietary supplement: Orally. 35-100 mg daily. Adjunct to desferrioxamine: (Vitamin C is used to enhance excretion of iron one mth after desferrioxamine therapy): Orally. 1 mth-18 yr, 100-200 mg daily 1 hr before food.

Administration

IM route is preferred, may also administer IV or SC. When administered IV, infuse slowly, avoid rapid IV injection. Stability: Dispensing vial: Store in carton until time of use. Store below 23°C (73°F). Protect from light.

Adverse Effects

Hyperoxaluria, dizziness, faintness, fatigue, flank pain, headache.

Risk Factor (Pregnancy/Lactation)

Pregnancy: Risk cannot be ruled out. Lactation: Caution advised or effect undetermined. Precautions: Diabetics, patients prone to renal calculi.

Interactions

Iron preps, oral contraceptives, fluphenazine, warfarin.

Advice to Patient

Take with or without meals.

Pharmacokinetics

Absorption: Readily absorbed from the GI tract. Metabolism: Hepatic. Half-life elimination: 16 days. (Patients with excess level of vitamin C: 3.4 hrs). Excretion: Urine.

Brands with this active ingredient

• Ascor-C
• Asctek-C
• C-vit
• C4U
• Cascor
• Ce-bon
• Cecon
• Ceevit
• Cira
• Citrovit-C
• Corbic-C
• Elvit-C
• Ener-C
• MTI-C
• Portakal

Compiled by Healify Pharmacy from published drug references. How we compile it →

Always consult a pharmacist or doctor.